Industry and Geographic Information (Tables)

3 Months Ended

Mar. 31, 2018

Industry And Geographic Information [Abstract]

Sales to Individual Customers in Excess of 10% of Total Revenues

The Company had sales to individual customers in excess of 10% of total revenues, as follows:

	Three months ended   March 31,
	2018		2017
Customer:
A	20	%	17	%
B	16	%	27	%
C	13	%	15	%
	49	%	59	%